#include<stdio.h>#include<string.h>#include<math.h>#include<algorithm>#include<ctype.h>using namespace std;int arr[3005];bool cmp(int a,int b){    return a<b;}int main(){    int n;    while(scanf("%d",&n)!=EOF)    {        int i;        for(i=0;i<n;i++)        {            scanf("%d",&arr[i]);        }        sort(arr,arr+n,cmp);        bool flag=true;        for(i=1;i<n;i++)        {            if(arr[i]==arr[i-1])            {                flag=false;                break;            }        }        if(flag)        {            if(arr[n-1]-arr[0]>n-1)            {                flag=false;            }        }        if(flag)            printf("Jolly\n");        else            printf("Not jolly\n");    }    return 0;}